package gateway;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@Order(1)
@Component
public class AuthorizeFilter implements GlobalFilter{
	@Override
	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
		return chain.filter(exchange);
		// 1.获取请求参数
		/*ServerHttpRequest request = exchange.getRequest();
		MultiValueMap<String, String> params = request.getQueryParams();
		// 2.获取参数中的 authorization 参数
		String auth = params.getFirst("authorization");
		// 3.判断参数值是否等于 admin
		if ("admin".equals(auth)) {
			// 4.是，放行

		}
		// 5.否，拦截
		// 5.1.设置状态码
		exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);
		// 5.2.拦截请求
		return exchange.getResponse().setComplete();*/
	}

}
